sim/d10v/ChangeLog

   1 2014-03-05  Mike Frysinger  <vapier@gentoo.org>
   2
   3         * interp.c (sim_load): Add const to prog.
   4
   5 2014-03-04  Mike Frysinger  <vapier@gentoo.org>
   6
   7         * configure: Regenerate.
   8
   9 2013-09-23  Alan Modra  <amodra@gmail.com>
  10
  11         * configure: Regenerate.
  12
  13 2013-06-03  Mike Frysinger  <vapier@gentoo.org>
  14
  15         * aclocal.m4, configure: Regenerate.
  16
  17 2013-05-10  Freddie Chopin  <freddie_chopin@op.pl>
  18
  19         * configure: Rebuild.
  20
  21 2012-06-19  Joel Brobecker  <brobecker@adacore.com>
  22
  23         * interp.c: #include "config.h" instead of "sysdep.h".
  24         Add conditional include of string.h or strings.h, as well as
  25         conditional include of stdlib.h.
  26
  27 2012-06-15  Joel Brobecker  <brobecker@adacore.com>
  28
  29         * config.in, configure: Regenerate.
  30
  31 2012-05-24  Pedro Alves  <palves@redhat.com>
  32
  33         PR gdb/7205
  34
  35         Replace TARGET_SIGNAL_ with GDB_SIGNAL_ throughout.
  36
  37 2012-03-24  Mike Frysinger  <vapier@gentoo.org>
  38
  39         * aclocal.m4, config.in, configure: Regenerate.
  40
  41 2011-12-03  Mike Frysinger  <vapier@gentoo.org>
  42
  43         * aclocal.m4: New file.
  44         * configure: Regenerate.
  45
  46 2011-10-17  Mike Frysinger  <vapier@gentoo.org>
  47
  48         * configure.ac: Change include to common/acinclude.m4.
  49
  50 2011-10-17  Mike Frysinger  <vapier@gentoo.org>
  51
  52         * configure.ac: Change AC_PREREQ to 2.64.  Delete AC_CONFIG_HEADER
  53         call.  Replace common.m4 include with SIM_AC_COMMON.
  54         * configure: Regenerate.
  55
  56 2010-04-14  Mike Frysinger  <vapier@gentoo.org>
  57
  58         * interp.c (sim_write): Add const to buffer arg.
  59
  60 2010-01-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
  61
  62         * configure: Regenerate.
  63
  64 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
  65
  66         * config.in: Regenerate.
  67         * configure: Likewise.
  68
  69         * configure: Regenerate.
  70
  71 2008-07-11  Hans-Peter Nilsson  <hp@axis.com>
  72
  73         * configure: Regenerate to track ../common/common.m4 changes.
  74         * config.in: Ditto.
  75
  76 2008-06-06  Vladimir Prus  <vladimir@codesourcery.com>
  77             Daniel Jacobowitz  <dan@codesourcery.com>
  78             Joseph Myers  <joseph@codesourcery.com>
  79
  80         * configure: Regenerate.
  81
  82 2006-12-21  Hans-Peter Nilsson  <hp@axis.com>
  83
  84         * acconfig.h: Remove.
  85         * config.in: Regenerate.
  86
  87 2006-06-13  Richard Earnshaw  <rearnsha@arm.com>
  88
  89         * configure: Regenerated.
  90
  91 2006-06-05  Daniel Jacobowitz  <dan@codesourcery.com>
  92
  93         * configure: Regenerated.
  94
  95 2006-05-31  Daniel Jacobowitz  <dan@codesourcery.com>
  96
  97         * configure: Regenerated.
  98
  99 2006-04-18  Nick Clifton  <nickc@redhat.com>
 100
 101         * interp.c (sim_stop_reason): Fix typo.
 102
 103 2005-11-28  Mark Mitchell  <mark@codesourcery.com>
 104
 105         * interp.c (gdb/signals.h): Include it.
 106         (sim_stop_reason): Use TARGET_SIGNAL_*.
 107
 108 2005-03-23  Mark Kettenis  <kettenis@gnu.org>
 109
 110         * configure: Regenerate.
 111
 112 2005-01-14  Andrew Cagney  <cagney@gnu.org>
 113
 114         * configure.ac: Sinclude aclocal.m4 before common.m4.  Add
 115         explicit call to AC_CONFIG_HEADER.
 116         * configure: Regenerate.
 117
 118 2005-01-12  Andrew Cagney  <cagney@gnu.org>
 119
 120         * configure.ac: Update to use ../common/common.m4.
 121         * configure: Re-generate.
 122
 123 2005-01-11  Andrew Cagney  <cagney@localhost.localdomain>
 124
 125         * configure: Regenerated to track ../common/aclocal.m4 changes.
 126
 127 2005-01-07  Andrew Cagney  <cagney@gnu.org>
 128
 129         * configure.ac: Rename configure.in, require autoconf 2.59.
 130         * configure: Re-generate.
 131
 132 2004-12-08  Hans-Peter Nilsson  <hp@axis.com>
 133
 134         * configure: Regenerate for ../common/aclocal.m4 update.
 135
 136 2004-06-28  Andrew Cagney  <cagney@gnu.org>
 137
 138         * interp.c (sim_resume): Rename ui_loop_hook to
 139         deprecated_ui_loop_hook.
 140
 141 2003-10-30  Andrew Cagney  <cagney@redhat.com>
 142
 143         * simops.c: Replace "struct symbol_cache_entry" with "struct
 144         bfd_symbol".
 145
 146 2003-06-22  Andrew Cagney  <cagney@redhat.com>
 147
 148         * interp.c (xfer_mem): Simplify.  Only do a single partial
 149         transfer.  Problem reported by Tom Rix.
 150
 151 2003-05-07  Andrew Cagney  <cagney@redhat.com>
 152
 153         * interp.c (sim_d10v_translate_addr): Add "regcache" parameter.
 154         (sim_d10v_translate_imap_addr): Ditto.
 155         (sim_d10v_translate_dmap_addr): Ditto.
 156         (xfer_mem): Pass NULL regcache to sim_d10v_translate_addr.
 157         (dmem_addr): Pass NULL regcache to sim_d10v_translate_dmap_addr.
 158         (dmap_register, imap_register): Add "regcache" parameter.
 159         (imem_addr): Pass NULL regcache to sim_d10v_translate_imap_addr.
 160         (sim_fetch_register): Pass NULL regcache to imap_register and
 161         dmap_register.
 162
 163 2003-02-27  Andrew Cagney  <cagney@redhat.com>
 164
 165         * interp.c (sim_open, sim_create_inferior): Rename _bfd to bfd.
 166
 167 2002-11-13  Andrew Cagney  <cagney@redhat.com>
 168
 169         * simops.c: Include <string.h>.
 170
 171 2002-06-17  Andrew Cagney  <cagney@redhat.com>
 172
 173         * d10v_sim.h (SET_PSW_BIT): Add cast to avoid inverting an enum.
 174
 175 2002-06-16  Andrew Cagney  <ac131313@redhat.com>
 176
 177         * configure: Regenerated to track ../common/aclocal.m4 changes.
 178
 179 2002-06-13  Tom Rix  <trix@redhat.com>
 180
 181         * interp.c (xfer_mem): Fix transfers across multiple segments.
 182
 183 2002-06-09  Andrew Cagney  <cagney@redhat.com>
 184
 185         * Makefile.in (INCLUDE): Update path to callback.h.
 186         * gencode.c: Do not include "callback.h".
 187         * d10v_sim.h: Include "gdb/callback.h" and "gdb/remote-sim.h".
 188         * interp.c: Ditto.
 189
 190 2002-06-08  Andrew Cagney  <cagney@redhat.com>
 191
 192         * interp.c (sim_fetch_register): Fix name of enum used in cast.
 193         (sim_store_register): Ditto.
 194
 195 2002-06-02  Elena Zannoni  <ezannoni@redhat.com>
 196
 197         From Jason Eckhardt <jle@redhat.com>
 198         * d10v_sim.h (INC_ADDR): Correctly handle the case where MOD_E is
 199         less than MOD_S (post-decrement).
 200
 201 2002-06-01  Andrew Cagney  <ac131313@redhat.com>
 202
 203         * interp.c (sim_fetch_register, sim_store_register): Use a switch
 204         statement and enums from "sim-d10v.h".
 205
 206 2002-05-28  Elena Zannoni  <ezannoni@redhat.com>
 207
 208         * interp.c (sim_create_inferior): Add comment.
 209
 210         From Alan Matsuoka <alanm@redhat.com>:
 211         From 2001-04-27 Jason Eckhardt <jle@cygnus.com>:
 212         * simops.c (OP_4400): Output "mvf0f" instead of "mf0f".
 213         (OP_4401): Output "mvf0t" instead of "mf0t".
 214         (OP_460B): Do not output a flag register.
 215         (OP_4609): Do not output a flag register.
 216
 217 2002-05-23  Andrew Cagney  <ac131313@redhat.com>
 218
 219         * Makefile.in (INCLUDE): Add "gdb/sim-d10v.h".
 220         * interp.c: Include "gdb/sim-d10v.h" instead of "sim-d10v.h".
 221
 222 2001-08-01  John R. Moore  <jmoore@redhat.com>
 223
 224         * interp.c (sim_create_inferior): Removed a hack that stated
 225         it was setting r0/r1 with argc/argv.
 226
 227 2001-04-15  J.T. Conklin  <jtc@redback.com>
 228
 229         * Makefile.in (simops.o): Add simops.h to dependency list.
 230
 231 Tue May 23 21:39:23 2000  Andrew Cagney  <cagney@b1.cygnus.com>
 232
 233         * configure: Regenerated to track ../common/aclocal.m4 changes.
 234
 235 Tue Apr 18 16:26:41 2000  Andrew Cagney  <cagney@b1.cygnus.com>
 236
 237         * interp.c (sim_resume): Deliver SIGILL.
 238         (lookup_hash): Do not print SIGILL message.
 239
 240 Tue Feb 22 18:24:56 2000  Andrew Cagney  <cagney@b1.cygnus.com>
 241
 242         * Makefile.in (SIM_EXTRA_CFLAGS): Define SIM_HAVE_ENVIRONMENT.
 243         * interp.c (sim_set_trace): Replace sim_trace.  Enable tracing.
 244
 245 Tue Feb  8 17:41:12 2000  Andrew Cagney  <cagney@b1.cygnus.com>
 246
 247         * d10v_sim.h (SIG_D10V_BUS): Define.
 248
 249         * simops.c (address_exception): Delete function.
 250         (OP_30000000, OP_6401, OP_6001, OP_6000, OP_32010000, OP_31000000,
 251         OP_6601, OP_6201, OP_6200, OP_33010000, OP_34000000, OP_6800,
 252         OP_6C1F, OP_6801, OP_6C01, OP_36010000, OP_35000000, OP_6A00,
 253         OP_6E1F, OP_6A01, OP_6E01, OP_37010000): Replace call to
 254         address_exception with code that sets SIG_D10V_BUS.
 255
 256         * interp.c (sim_resume): When SIGBUS or SIGSEGV, deliver a bus
 257         error to the simulator before resuming execution.
 258         (sim_trace): Check stop reason and use that to determine sim_trace
 259         return value.
 260         (sim_stop_reason): For SIG_D10V_BUS return a SIGBUS / SIGSEGV
 261         sigrc.
 262
 263 Tue Jan 18 16:07:42 MST 2000    Diego Novillo <dnovillo@cygnus.com>
 264
 265         * interp.c (sim_create_inferior): Change internal initial value for
 266         DMAP2 to 0x2000.
 267
 268 Mon Jan  3 02:06:07 2000  Andrew Cagney  <cagney@b1.cygnus.com>
 269
 270         * interp.c (lookup_hash): Stop the update of the PC when there was
 271         an illegal instruction exception.
 272
 273 Mon Jan  3 00:14:33 2000  Andrew Cagney  <cagney@b1.cygnus.com>
 274
 275         * simops.c (address_exception): New function.
 276         (OP_30000000, OP_6401, OP_6001, OP_6000, OP_32010000, OP_31000000,
 277         OP_6601, OP_6201, OP_6200, OP_33010000, OP_34000000, OP_6800,
 278         OP_6C1F, OP_6801, OP_6C01, OP_36010000, OP_35000000, OP_6A00,
 279         OP_6E1F, OP_6A01, OP_6E01, OP_37010000): For "ld", "ld2w", "st"
 280         and "st2w" check that the address is aligned.
 281
 282 1999-12-30  Chandra Chavva   <cchavva@cygnus.com>
 283
 284         * d10v_sim.h (INC_ADDR): Added code to assign
 285         proper address for loads with predec operations.
 286
 287 1999-11-25  Nick Clifton  <nickc@cygnus.com>
 288
 289         * simops.c (OP_4E0F): New function: Simulate new bit pattern for
 290         cpfg instruction.
 291
 292 Fri Oct 29 18:34:28 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 293
 294         * simops.c (move_to_cr): Don't allow user to set PSW.DM in either
 295         DPSW and BPSW.
 296
 297 Thu Oct 28 01:26:18 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 298
 299         * simops.c (OP_5F20): Use SET_HW_PSW when updating PSW.
 300         (PSW_HW_MASK): Declare.
 301
 302         * d10v_sim.h (move_to_cr): Add ``psw_hw_p'' parameter.
 303         (SET_CREG, SET_PSW_BIT): Update.
 304         (SET_HW_CREG, SET_HW_PSW): Define.
 305
 306 Sun Oct 24 21:38:04 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 307
 308         * interp.c (sim_d10v_translate_dmap_addr): Fix extraction of IOSP
 309         for DMAP3.
 310
 311 Sun Oct 24 16:04:16 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 312
 313         * interp.c (sim_d10v_translate_addr): New function.
 314         (xfer_mem): Rewrite.  Use sim_d10v_translate_addr.
 315         (map_memory): Make INLINE.
 316
 317 Sun Oct 24 13:45:19 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 318
 319         * interp.c (sim_d10v_translate_dmap_addr): New function.
 320         (dmem_addr): Rewrite. Use sim_d10v_translate_dmap_addr.  Change
 321         offset parameter to type uint16.
 322         * d10v_sim.h (dmem_addr): Update declaration.
 323
 324 Sun Oct 24 13:07:31 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 325
 326         * interp.c (imap_register, set_imap_register, dmap_register,
 327         set_imap_register): Use map_memory.
 328         (DMAP): Update.
 329         (sim_create_inferior): Initialize all DMAP registers.  NOTE that
 330         DMAP2, in internal memory mode, is set to 0x0000 and NOT
 331         0x2000. This is consistent with the older d10v boards.
 332
 333 Sun Oct 24 11:22:12 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 334
 335         * interp.c (sim_d10v_translate_imap_addr): New function.
 336         (imem_addr): Rewrite.  Use sim_d10v_translate_imap_addr.
 337         (last_from, last_to): Declare.
 338
 339 Sun Oct 24 01:21:56 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 340
 341         * d10v_sim.h (struct d10v_memory): Define.  Support very long
 342         memories.
 343         (struct _state): Replace imem, dmem and umem by mem.
 344         (IMAP_BLOCK_SIZE, DMAP_BLOCK_SIZE, SEGMENT_SIZE, IMEM_SEGMENTS,
 345         DMEM_SEGMENTS, UMEM_SEGMENTS): Define.
 346
 347         * interp.c (map_memory): New function.
 348         (sim_size, xfer_memory, imem_addr, dmem_addr): Update.
 349         (UMEM_SEGMENTS): Moveed to "d10v_sim.h".
 350         (IMEM_SIZEDMEM_SIZE): Delete.
 351
 352 Sat Oct 23 20:06:58 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 353
 354         * interp.c: Include "sim-d10v.h".
 355         (imap_register, set_imap_register, dmap_register,
 356         set_dmap_register, spi_register, spu_register, set_spi_register,
 357         set_spu_register): New functions.
 358         (sim_create_inferior): Update.
 359         (sim_fetch_register, sim_store_register): Rewrite.  Use enums
 360         defined in sim-d10v.h.
 361
 362         * d10v_sim.h (DEBUG_MEMORY): Define.
 363         (IMAP0, IMAP1, DMAP, SET_IMAP0, SET_IMAP1, SET_DMAP): Delete.
 364
 365 Sat Oct 23 18:41:18 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 366
 367         * interp.c (sim_open): Allow a debug value to be passed to the -t
 368         option.
 369         (lookup_hash): Don't exit on an illegal instruction.
 370         (do_long, do_2_short, do_parallel): Check for failed instruction
 371         lookup.
 372
 373 Mon Oct 18 18:03:24 MDT 1999    Diego Novillo <dnovillo@cygnus.com>
 374
 375         * simops.c (OP_3220): Fix trace output for illegal accumulator
 376         message.
 377
 378 1999-09-14  Nick Clifton  <nickc@cygnus.com>
 379
 380         * simops.c: Disable setting of DM bit in PSW.
 381
 382 Wed Sep  8 19:34:55 MDT 1999    Diego Novillo <dnovillo@cygnus.com>
 383
 384         * simops.c (op_types): Added new memory indirect type OP_MEMREF3.
 385         (trace_input_func): Added support for OP_MEMREF3.
 386         (OP_32010000): New instruction ld.
 387         (OP_33010000): New instruction ld2w.
 388         (OP_5209): New instruction sac.
 389         (OP_4209): New instruction sachi.
 390         (OP_3220): New instruction slae.
 391         (OP_36010000): New instruction st.
 392         (OP_37010000): New instruction st2w.
 393
 394 1999-09-09  Stan Shebs  <shebs@andros.cygnus.com>
 395
 396         * interp.c (old_segment_mapping): New global.
 397         (xfer_mem): Change the default segment mapping to be the way
 398         that Mitsubishi prefers, but use the previous mapping if
 399         old_segment_mapping is true.
 400         (sim_open): Add an option -oldseg to get the old mapping.
 401         (sim_create_inferior): Init mapping registers based on the
 402         value of old_segment_mapping.
 403
 404 1999-09-07  Nick Clifton  <nickc@cygnus.com>
 405
 406         * simops.c (OP_6601): Do not write back decremented address if
 407         either of the destination registers was the same as the address
 408         register.
 409         (OP_6201): Do not write back incremented address if either of the
 410         destination registers was the same as the address register.
 411
 412 Thu Sep  2 18:15:53 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 413
 414         * configure: Regenerated to track ../common/aclocal.m4 changes.
 415
 416 1999-05-08  Felix Lee  <flee@cygnus.com>
 417
 418         * configure: Regenerated to track ../common/aclocal.m4 changes.
 419
 420 1999-04-02  Keith Seitz  <keiths@cygnus.com>
 421
 422         * interp.c (ui_loop_hook_counter): New global (when NEED_UI_LOOP_HOOK
 423         defined).
 424         (sim_resume): If the counter has expired, call the ui_loop_hook,
 425         if defined.
 426         (UI_LOOP_POLL_INTERVAL): Define. Used to tweak the frequency of
 427         ui_loop_hook calls.
 428         * Makefile.in (SIM_EXTRA_CFLAGS): Include NEED_UI_LOOP_HOOK.
 429
 430 Wed Mar 10 19:32:13 1999  Nick Clifton  <nickc@cygnus.com>
 431
 432         * simops.c: If load instruction with auto increment/decrement
 433         addressing is used when the destination register is the same as
 434         the address register, then ignore the auto increment/decrement.
 435
 436 Wed Mar 10 19:32:13 1999  Martin M. Hunt  <hunt@cygnus.com>
 437
 438         * simops.c (OP_5F00): Ifdef SYS_stat case because
 439         not all systems have it defined.
 440
 441 1999-01-26  Jason Molenda  (jsm@bugshack.cygnus.com)
 442
 443         * simops.c (OP_5607): Correct saturation comparison/assignment.
 444         (OP_1201, OP_1203, OP_17001200, OP_17001202,
 445          OP_2A00, OP_2800, OP_2C00, OP_3200, OP_3201,
 446          OP_1001, OP_1003, OP_17001000, OP_17001002): Ditto.
 447
 448 1999-01-26  Jason Molenda  (jsm@bugshack.cygnus.com)
 449
 450         * simops.c (OP_5605): Sign extend MIN32 and MAX32 before saturation
 451         comparison.
 452         (OP_5607): Ditto.
 453         (OP_2A00): Ditto.
 454         (OP_2800): Ditto.
 455
 456 1999-01-13  Jason Molenda  (jsm@bugshack.cygnus.com)
 457
 458         * simops.c (OP_1223): Sign extend MIN32 and MAX32 before saturation
 459         comparison.
 460
 461 Tue Nov 24 17:04:43 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 462
 463         * simops.c (sys/syscall.h): Include targ-vals.h instead.
 464         (SYS_*): Replace with TARGET_SYS_*.
 465
 466         * Makefile.in: Add dependency on targ-vals.h.
 467         (NL_TARGET): Define as NL_TARGET_d10v.
 468
 469 Wed Sep 30 00:06:32 1998  Andrew Cagney  <cagney@amy.cygnus.com>
 470
 471         * interp.c (xfer_mem): Missing break, instruction memory case
 472         flowed into unified memory case.
 473
 474 Wed Sep 30 10:14:18 1998  Nick Clifton  <nickc@cygnus.com>
 475
 476         * simops.c: If load instruction with auto increment/decrement
 477         addressing is used when the destination register is the same as
 478         the address register, then ignore the auto increment/decrement.
 479
 480 Tue Apr 28 18:33:31 1998  Geoffrey Noer  <noer@cygnus.com>
 481
 482         * configure: Regenerated to track ../common/aclocal.m4 changes.
 483
 484 Sun Apr 26 15:31:55 1998  Tom Tromey  <tromey@creche>
 485
 486         * configure: Regenerated to track ../common/aclocal.m4 changes.
 487         * config.in: Ditto.
 488
 489 Sun Apr 26 15:20:23 1998  Tom Tromey  <tromey@cygnus.com>
 490
 491         * acconfig.h: New file.
 492         * configure.in: Reverted change of Apr 24; use sinclude again.
 493
 494 Fri Apr 24 14:16:40 1998  Tom Tromey  <tromey@creche>
 495
 496         * configure: Regenerated to track ../common/aclocal.m4 changes.
 497         * config.in: Ditto.
 498
 499 Fri Apr 24 11:20:06 1998  Tom Tromey  <tromey@cygnus.com>
 500
 501         * configure.in: Don't call sinclude.
 502
 503 Fri Apr 24 11:04:46 1998  Andrew Cagney  <cagney@chook.cygnus.com>
 504
 505         * interp.c (struct hash_entry): OPCODE and MASK are unsigned.
 506
 507         * d10v_sim.h (remote-sim.h, sim-config.h): Include.
 508
 509 Sat Apr  4 20:36:25 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 510
 511         * configure: Regenerated to track ../common/aclocal.m4 changes.
 512
 513 Wed Apr  1 12:59:17 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 514
 515         * simops.c (trace_input_func): Use move_from_cr / CREGS to obtain
 516         up-to-date CR value.
 517         (OP_OP_1000000, add3): Trace inputs before performing add.
 518         (OP_5F00, <*>): Trace input registers before making system call.
 519         (OP_5F00, <kill>): Trace R0, R1 not REGn.
 520         (OP_5F00, <getpid>): Always return 47.
 521
 522         * d10v_sim.h (SLOT, SLOT_NR, SLOT_PEND_MASK, SLOT_PEND,
 523         SLOT_DISCARD, SLOT_FLUSH): Define.  An implementation of write
 524         back slots.
 525         (struct _state): Add struct slot slot to global state variable.
 526         (struct _state): Delete fields SM, EA, DB, DM, IE, RP, MD, FX, ST,
 527         F0, F1, C from global State variable.
 528         (struct _state): Add struct trace to global State variable.
 529         (GPR, SET_GPR): Define.  SET_GPR uses SLOT_PEND.
 530         (PSW*, SET_PSW*): Define. SET_PSW* uses SET_CREG.
 531         (CREG, SET_CREG, SET_*): Define. SET_CREG uses func move_to_cr.
 532         (INC_ADDR): Re-implement.  Use SET_GPR to update registers.
 533         (JMP): Re-implement. Use SET_* to update registers.
 534
 535         * interp.c: Use new SET_* et.al. macros to fetch / store
 536         registers.
 537         (get_operands): Squirrel away trace values at start of each
 538         operand decode.
 539         (do_2_short): Flush pending writes before issuing second
 540         instruction.
 541         (sim_resume): Flush pending writes at end of instruction cycle.
 542         (sim_fetch_register, sim_store_register, sim_create_inferior):
 543         After scheduling updates to registers using SET_*, flush updates.
 544         (sim_resume): Re-order handling of RPT/repeat and IBA/hbreak so
 545         that each sets pc using SET_* and last SET_* eventually winds out.
 546
 547         * simops.c: Use new SET_* et.al. macros to fetch / store
 548         registers.
 549         (move_to_cr): Add MASK argument for selective update of CREG bits.
 550         Re-implement using new SET_* macros.
 551         (trace_output_func, trace_output): Delete. Replace with.
 552         (do_trace_output_flush, trace_output_finish, trace_output_40,
 553         trace_output_32, trace_output_16, trace_output_void,
 554         trace_output_flag): New functions.  Handle specific trace cases.
 555         (OP_*): Re-write tracing to use new trace_output_* functions.
 556         (OP_*): Re-write to use new SET_* et.al. macros.
 557         (FUNC, PARM[1-4], RETVAL, RETVAL32): Redo definition.
 558         (RETVAL_HIGH, RETVAL_LOW): Delete, use RETVAL32.
 559
 560 Wed Apr  1 12:55:18 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 561
 562         * configure.in (SIM_AC_OPTION_WARNINGS): Add.
 563         configure: Re-generate.
 564
 565 Fri Mar 27 16:15:52 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 566
 567         * configure: Regenerated to track ../common/aclocal.m4 changes.
 568
 569 Wed Mar 25 12:35:29 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 570
 571         * configure: Regenerated to track ../common/aclocal.m4 changes.
 572
 573 Wed Mar 18 12:38:12 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 574
 575         * configure: Regenerated to track ../common/aclocal.m4 changes.
 576
 577 Tue Feb 17 12:38:42 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 578
 579         * interp.c (sim_store_register, sim_fetch_register): Pass in
 580         length parameter.  Return -1.
 581
 582 Mon Oct 27 14:43:33 1997  Fred Fish  <fnf@cygnus.com>
 583
 584         * (dmem_addr): If address is illegal or in I/O space, signal a bus
 585         error.  Allocate unified memory on demand.  Fix DMEM address
 586         calculations.
 587
 588 Mon Feb 16 10:27:53 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 589
 590         * simops.c (OP_5F20): Implement "dbt".
 591         (OP_5F60): Implement "rtd".
 592
 593         * d10v_sim.h (DPC_CR): Define enum.
 594         (DBT_VECTOR_START): Define
 595         (DPSW, DPC): Define.
 596
 597 Fri Feb 13 15:15:58 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 598
 599         * simops.c (move_to_cr): Sync regs[SP_IDX] with State.sp according
 600         to PSW:SM.
 601
 602         * d10v_sim.h (struct _state): Add sp, as holding area for SPI/SPU.
 603         (SP_IDX): Define.
 604
 605 Wed Feb 11 16:53:49 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 606
 607         * simops.c (OP_5F00): Call error instead of abort for unknown
 608         syscalls.
 609
 610         * d10v_sim.h (enum): Define DPSW_CR.
 611
 612         * simops.c (move_to_cr): Mask out hardwired zero bits in DPSW.
 613
 614 Tue Feb 10 18:28:38 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 615
 616         * interp.c (sim_write_phys): Delete.
 617         (sim_load): Call sim_load_file with sim_write and LMA.
 618
 619 Mon Feb  9 12:05:01 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 620
 621         * interp.c: Rewrite xfer_mem so that it translates addresses as -
 622         0x00... - DMAP translated memory, 0x01... IMAP translated memory,
 623         0x10... - on-chip data, 0x11... - on-chip insn, 0x12... - unified
 624         memory.
 625         (pc_addr): Delete.
 626         (imem_addr): New function - translate IMEM address.
 627         (sim_resume): Use imem_addr to translate insn address, abort if
 628         translation failed.
 629         (sim_create_inferior): Write ARGV to memory using sim_write.  Pass
 630         argc/argv using r0/r1 not r2/r3.
 631         (sim_size): Do not initialize IMAP/DMAP here.
 632         (sim_open): Call sim_create_inferior and sim_size to initialize
 633         the system.
 634         (sim_create_inferior): Initialize IMAP/DMAP to hardware reset
 635         defaults.
 636         (init_system): Delete.
 637         (xfer_mem, sim_fetch_register, sim_store_register): Do not call
 638         init_system.
 639         (decode_pc): Check prog_bfd is defined before looking up .text
 640         section.
 641
 642 Sun Feb  1 16:47:51 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 643
 644         * configure: Regenerated to track ../common/aclocal.m4 changes.
 645
 646 Sat Jan 31 18:15:41 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 647
 648         * configure: Regenerated to track ../common/aclocal.m4 changes.
 649
 650 Sun Jan 25 22:23:01 1998  Michael Meissner  <meissner@cygnus.com>
 651
 652         * interp.c (sim_stop_reason): Exit status is now in r0, not r2.
 653
 654 Sat Jan 24 19:00:30 1998  Michael Meissner  <meissner@cygnus.com>
 655
 656         * d10v_sim.h (DEBUG_TRAP): New debug flag.
 657
 658         * simops.c (OP_5F00): If DEBUG_TRAP is on, turn traps 0-14 into
 659         printing the registers.
 660
 661 Thu Jan 22 17:54:01 1998  Michael Meissner  <meissner@cygnus.com>
 662
 663         * simops.c (op_types): New ABI, args are r0..r3, system call # is
 664         in r4.
 665         (trace_{in,out}put_func): Ditto.
 666         (OP_4900): Ditto.
 667         (OP_24800000): Ditto.
 668         (OP_4D00): Ditto.
 669         (OP_5F00): Ditto.
 670
 671 Thu Jan 22 14:30:36 1998  Fred Fish  <fnf@cygnus.com>
 672
 673         * interp.c (UMEM_SEGMENTS): New define, set to 128.
 674         (sim_size): Use UMEM_SEGMENTS rather than hardwired constant.
 675         (sim_close): Reset prog_bfd to NULL after closing it.  Also
 676         reset prog_bfd_was_opened_p after closing prog_bfd.
 677         (sim_load): Reset prog_bfd_was_opened_p after closing prog_bfd.
 678         (sim_create_inferior): Get start address from abfd not prog_bfd.
 679         (xfer_mem): Do bounds checking on addresses and return zero length
 680         read/write on bad addresses, rather than aborting.  Prepare to
 681         be able to handle xfers that cross segment boundaries, but not
 682         yet implemented.  Only emit debug message when d10v_debug is
 683         set as well as DEBUG being defined.
 684
 685 Mon Jan 19 22:26:29 1998  Doug Evans  <devans@seba>
 686
 687         * configure: Regenerated to track ../common/aclocal.m4 changes.
 688
 689 Mon Dec 15 23:17:11 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 690
 691         * configure: Regenerated to track ../common/aclocal.m4 changes.
 692         * config.in: Ditto.
 693
 694 Tue Dec  9 10:28:31 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 695
 696         * d10v_sim.h (RPT_S): Index cregs with RPT_S_CR not RPT_E_CR.
 697         (BPSW): Ditto for BPSW_CR and not PSW_CR.
 698
 699         * simops.c (OP_5F40): JMP to BPC instead of assigning PC directly.
 700
 701 Mon Dec  8 12:58:33 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 702
 703         * simops.c (OP_5F00): From Martin Hunt <hunt@cygnus.com>. Change
 704         reserved trap from 0 to 15. Add trap emulation code for 0-14.
 705
 706         * interp.c (sim_resume): From Martin Hunt <hunt@cygnus.com>. Check
 707         IBA for SDBT.
 708
 709         * d10v_sim.h (AE_VECTOR_START, RIE_VECTOR_START,
 710         SDBT_VECTOR_START, TRAP_VECTOR_START): Define.
 711
 712         * simops.c (OP_5F00): For "trap", mask out all but SM bit in PSW,
 713         use move_to_cr.
 714         (OP_5F00): For "trap", update BPSW with move_to_cr.
 715
 716 Fri Dec  5 15:31:17 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 717
 718         * d10v_sim.h (enum): Enumerate CR register names.
 719         (enum): Enumerate PSW bit values.
 720         (PSW): Obtain value uing move_from_cr.
 721         (MOD_S, MOD_E, BPSW): Make r-values.
 722         (move_from_cr, move_to_cr): Declare functions.
 723
 724         * interp.c (sim_fetch_register, sim_store_register): Use
 725         move_from_cr and move_to_cr for CR register transfers.
 726
 727         * simops.c (move_from_cr, move_to_cr): New functions.
 728         (OP_5F40): Move BPSW to PSW using move_to_cr and move_from_cr.
 729         (OP_5600): For "mvtc", use function move_to_cr.
 730         (OP_5200): For "mvfc", use function move_from_cr.
 731
 732 Fri Dec  5 13:33:14 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 733
 734         * simops.c (OP_5600): For "mvtc" MOD_E and MOD_S, ensure that the
 735         LSbit is zero.
 736
 737 Thu Dec  4 09:21:05 1997  Doug Evans  <devans@canuck.cygnus.com>
 738
 739         * configure: Regenerated to track ../common/aclocal.m4 changes.
 740
 741 Thu Dec  4 16:51:02 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 742
 743         * d10v_sim.h (struct _state): Add DM - PSW debug mask.
 744
 745         * simops.c (OP_5600): For "mvtc", save PSW.DM.
 746         (OP_5200): Ditto for "mvfc".
 747
 748 Wed Dec  3 17:27:06 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 749
 750         * d10v_sim.h (SEXT56): Define.
 751
 752         * simops.c (OP_4201): For "rac", sign extend 56 bit value before
 753         it is shifted.
 754
 755         * d10v_sim.h (MAX32, MIN32, MASK32, MASK40): Re-define using
 756         SIGNED64 macro.
 757
 758 Tue Dec  2 15:38:34 1997  Fred Fish  <fnf@cygnus.com>
 759
 760         * interp.c (sim_resume): Call do_2_short with LEFT_FIRST or
 761         RIGHT_FIRST, as appropriate, instead of hardcoded ints that
 762         don't match enum values.
 763
 764 Tue Dec  2 15:01:08 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 765
 766         * simops.c (OP_3A00): For "macu", perform multiply stage using 32
 767         bit rather than 16 bit precision.
 768         (OP_3C00): For "mulxu", store unsigned product in ACC.
 769         (OP_3800): For "msbu", subtract unsigned product from ACC,
 770         (OP_0): For "sub", compute carry by comparing inputs.
 771
 772 Tue Dec  2 11:04:37 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 773
 774         * simops.c (OP_1000): For "sub2w", compute carry by comparing
 775         inputs.
 776
 777 Mon Nov 17 20:57:21 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 778
 779         * simops.c (OP_1): Use 32 bit unsigned arithmetic for subtract,
 780         carry indicated by value > 0xffff.
 781
 782 Fri Nov 14 12:51:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 783
 784         * interp.c (sim_resume): Don't set up SIGINT handler using signal,
 785         handled by client.
 786         (sim_resume): Fix race condition of a direct assignment to
 787         stop_simulator, conditionally call sim_stop.
 788         (sim_stop_reason): Check stop_simulator returning SIGINT.  Clear
 789         stop_simulator ready for next sim_resume call.
 790         (sim_ctrl_c): Delete function.
 791
 792 Thu Nov 13 19:29:34 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 793
 794         * interp.c (sim_resume): For "REP", only check/update the PC when
 795         a branch instruction has not been executed.
 796
 797 Mon Nov 10 17:50:18 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 798
 799         * simops.c (OP_4201): "rachi". Sign extend bit 40 of ACC.  Sign
 800         extend bit 44 all constants.
 801         (OP_4201): Replace GCC specific 0x..LL with SIGNED64 macro.
 802
 803 Fri Oct 24 10:26:29 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 804
 805         * d10v_sim.h: Include sim-types.h.
 806         (uint8, in816, uiny16, int32, uint32, int64, uint64): Typedef
 807         using unsigned8 et.al. from sim-types.h.
 808         (SEXT32, SEXT40, SEXT44, SEXT60): Replace GCC specific 0x..LL with
 809         SIGNED64 macro.
 810
 811 Wed Oct 22 14:43:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 812
 813         * interp.c (sim_write_phys): New function, write to physical
 814         instead of virtual memory.
 815
 816         * interp.c (sim_load): Pass lma_p and sim_write_phys to
 817         sim_load_file.
 818
 819 Mon Oct 13 10:55:07 1997  Fred Fish  <cygnus.com>
 820
 821         * simops.c (OP_6A01): Change OP_POSTDEC to OP_POSTINC and move
 822         exception generation code to OP_6E01.
 823         (OP_6E01): Change OP_POSTINC to OP_POSTDEC and insert exception
 824         generation code.
 825
 826 Sat Oct 11 09:02:08 1997  Fred Fish  <fnf@cygnus.com>
 827
 828         * simops.c (OP_6401): postdecrement on r15 is OK, remove exception.
 829         (OP_6601): Ditto.
 830
 831 Fri Oct  3 09:28:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 832
 833         * configure: Regenerated to track ../common/aclocal.m4 changes.
 834
 835 Sat Sep 27 12:51:34 1997  Fred Fish  <fnf@cygnus.com>
 836
 837         * interp.c (pc_addr): Discard upper bit(s) of PC in case
 838         IMAP1 selects unified memory.
 839         * d10v_sim.h (INC_ADDR): Align MOD_E to increment before testing
 840         for end condition.
 841
 842 Wed Sep 24 17:38:57 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 843
 844         * configure: Regenerated to track ../common/aclocal.m4 changes.
 845
 846 Tue Sep 23 11:04:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 847
 848         * configure: Regenerated to track ../common/aclocal.m4 changes.
 849
 850 Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 851
 852         * configure: Regenerated to track ../common/aclocal.m4 changes.
 853
 854 Fri Sep 19 17:45:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 855
 856         * configure: Regenerated to track ../common/aclocal.m4 changes.
 857
 858 Mon Sep 15 17:36:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 859
 860         * configure: Regenerated to track ../common/aclocal.m4 changes.
 861
 862 Wed Sep 10 22:30:24 1997  Martin M. Hunt  <hunt@cygnus.com>
 863
 864         * interp.c (sim_resume): Increment PC at end of rep
 865         loop.
 866
 867         * simops.c (OP_4201): Fix rachi instruction.
 868
 869 Thu Sep  4 17:21:23 1997  Doug Evans  <dje@seba>
 870
 871         * configure: Regenerated to track ../common/aclocal.m4 changes.
 872
 873 Wed Aug 27 18:13:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 874
 875         * configure: Regenerated to track ../common/aclocal.m4 changes.
 876         * config.in: Ditto.
 877
 878 Tue Aug 26 10:37:49 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 879
 880         * interp.c (sim_kill): Delete.
 881         (sim_create_inferior): Add ABFD argument.
 882         (sim_load): Move setting of PC from here.
 883         (sim_create_inferior): To here.
 884         (start_address): Delete variable.
 885
 886 Mon Aug 25 17:50:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 887
 888         * configure: Regenerated to track ../common/aclocal.m4 changes.
 889         * config.in: Ditto.
 890
 891 Mon Aug 25 15:39:29 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 892
 893         * interp.c (sim_open): Add ABFD argument.
 894
 895 Tue May 20 10:14:45 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 896
 897         * interp.c (sim_open): Add callback argument.
 898         (sim_set_callbacks): Remove SIM_DESC argument.
 899
 900 Thu Apr 24 00:39:51 1997  Doug Evans  <dje@canuck.cygnus.com>
 901
 902         * configure: Regenerated to track ../common/aclocal.m4 changes.
 903
 904 Tue Apr 22 10:29:23 1997  Doug Evans  <dje@canuck.cygnus.com>
 905
 906         * interp.c (sim_open): Undo patch to add -E support.
 907
 908 Fri Apr 18 13:39:01 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 909
 910         * interp.c (sim_stop): New function.
 911
 912 Thu Apr 17 02:42:00 1997  Doug Evans  <dje@canuck.cygnus.com>
 913
 914         * Makefile.in (SIM_OBJS): Add sim-load.o.
 915         * d10v_sim.h (exec_bfd): Rename to prog_bfd.
 916         * interp.c: #include bfd.h.
 917         (myname, sim_kind, start_address): New static locals.
 918         (prog_bfd_was_opened_p, prog_bfd): New static locals.
 919         (decode_pc): Update to use prog_bfd.
 920         (sim_open): Set sim_kind, myname.  Ignore -E arg.
 921         (sim_close): Close prog_bfd if simulator opened it.
 922         (sim_create_inferior): Return SIM_RC.  Delete arg start_address.
 923         (sim_load): Return SIM_RC.  New arg abfd.  Set start address from bfd.
 924         Call sim_load_file to load file into simulator.
 925         * simops.c (trace_input_func): exec_bfd renamed to prog_bfd.
 926
 927 Wed Apr 16 16:12:03 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 928
 929         * simops.c (OP_5F00): Only provide system calls SYS_execv,
 930         SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host.
 931
 932 Mon Apr  7 15:45:02 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 933
 934         * configure: Regenerated to track ../common/aclocal.m4 changes.
 935         * config.in: Ditto.
 936
 937 Wed Apr  2 15:06:28 1997  Doug Evans  <dje@canuck.cygnus.com>
 938
 939         * interp.c (sim_open): New arg `kind'.
 940
 941         * configure: Regenerated to track ../common/aclocal.m4 changes.
 942
 943 Wed Apr  2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
 944
 945         * configure: Regenerated to track ../common/aclocal.m4 changes.
 946
 947 Mon Mar 17 15:10:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 948
 949         * configure: Re-generate.
 950
 951 Fri Mar 14 10:34:11 1997  Michael Meissner  <meissner@cygnus.com>
 952
 953         * configure: Regenerate to track ../common/aclocal.m4 changes.
 954
 955         * simops.c (OP_5F00): Remove old traps 1-3.  Make trap 15 the same
 956         as trap 0, which will be deprecated.  Only set errno, if an error
 957         in fact was returned.
 958
 959 Thu Mar 13 12:41:20 1997  Doug Evans  <dje@canuck.cygnus.com>
 960
 961         * interp.c: Delete redundant prototypes of sim_foo fns.
 962         (sim_open): New SIM_DESC result.  Argument is now in argv form.
 963         (other sim_*): New SIM_DESC argument.
 964
 965 Thu Mar 13 10:29:04 1997  Michael Meissner  <meissner@cygnus.com>
 966
 967         * simops.c (trace_{input,output}_func): Call flush_stdout from the
 968         callback functions.
 969         (OP_5F00): Ditto.
 970         (OP_6{4,6,C,A}01): Test for post decrement on the stack pointer.
 971         (OP_{1200,1000000,201,5FE0,1003,17001002}): Fix problems in
 972         setting the carry bit after an add or a subtract.
 973
 974 Wed Feb 12 16:04:15 1997  Michael Meissner  <meissner@cygnus.com>
 975
 976         * simops.c (OP_{1403,15002A02,3{0,4}0{0,1}}): Only use the bottom
 977         40 bits of accumulators.  Sign/zero extend as appropriate.
 978
 979 Tue Feb  4 13:33:30 1997  Doug Evans  <dje@canuck.cygnus.com>
 980
 981         * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
 982         COMMON_{PRE,POST}_CONFIG_FRAG instead.
 983         * configure.in: sinclude ../common/aclocal.m4.
 984         * configure: Regenerated.
 985
 986 Thu Jan 23 11:46:23 1997  Stu Grossman  (grossman@critters.cygnus.com)
 987
 988         * configure configure.in Makefile.in:  Update to new configure
 989         scheme which is more compatible with WinGDB builds.
 990         * configure.in:  Improve comment on how to run autoconf.
 991         * configure:  Re-run autoconf to get new ../common/aclocal.m4.
 992         * Makefile.in:  Use autoconf substitution to install common
 993         makefile fragment.
 994
 995 Fri Dec 27 22:54:05 1996  Angela Marie Thomas (angela@cygnus.com)
 996
 997         * gencode.c: patch to not #include "d10v_sim.h" which
 998         unecessarily includes bfd.h and causes wingdb configure
 999         to fail.
1000
1001 Mon Dec 16 13:39:03 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1002
1003         * interp.c (xfer_mem): Change unified memory to 0x0.
1004
1005 Thu Nov 28 20:42:56 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1006
1007         * simops.c (OP_3E01): Fix tracing information.
1008         (OP_300{0,1}): Do not propigate sign.
1009
1010 Mon Nov 25 19:47:40 1996  Doug Evans  <dje@canuck.cygnus.com>
1011
1012         * config.in (WORDS_BIGENDIAN): Add.
1013         * configure: Regenerated.
1014         * d10v_sim.h: #include "config.h"
1015
1016 Sat Nov 23 09:34:50 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1017
1018         * gencode.c (write_opcodes): Eliminate warnings when generated
1019         table.c is compiled.
1020
1021 Wed Nov 20 19:41:40 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1022
1023         * interp.c (sim_open): Cast result of calloc, and make sure NULL
1024         was not returned.
1025         (dmem_addr): If address is illegal or in I/O space, signal a bus
1026         error.
1027         (pc_addr): Signal bus error, not illegal instruction for bogus
1028         pc.
1029
1030 Wed Nov 20 01:23:03 1996  Doug Evans  <dje@canuck.cygnus.com>
1031
1032         * Makefile.in: Delete all stuff moved to ../common/Make-common.in.
1033         (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
1034         * configure.in: Simplify using macros in ../common/aclocal.m4.
1035         Call AC_CHECK_HEADERS(unistd.h).
1036         * configure: Regenerated.
1037         * config.in: New file.
1038         * interp.c: #include "callback.h".
1039         * simops.c: #include "config.h".  #include <unistd.h> if present.
1040
1041 Fri Nov  8 16:19:55 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1042
1043         * d10v-sim.h (simops): Add flag is_long.
1044         (State): Add pc_changed.  Instructions which update the PC should
1045         use the JMP macro which sets this.
1046         (JMP): New macro.  Sets the PC and the pc_changed flag.
1047
1048         * gencode.c (write_opcodes): Add is_long field.
1049
1050         * interp.c (lookup_hash): If we blindly apply a short opcode's mask
1051         to a long opcode we could get a false match.  Check the opcode size.
1052         (hash): Add a size field to the hash table.
1053         (sim_open): Initialize size field in hash table.
1054         (sim_resume): Change to logic for setting the PC.  Used to increment the
1055         PC if it had not been changed.  This didn't allow single-instruction loops.
1056         Now checks the flag State.pc_changed.  Also now stops when ^C is received.
1057         (dmem_addr): Fix translation of data segments to unified memory.
1058         (sim_ctrl_c): New function.  When ^C is received, set stop_simulator flag.
1059
1060         * simops.c: Changed all branch and jump instructions to use new JMP macro.
1061         (OP_20000000): Corrected trace information to show this is a ldi.l, not
1062         a ldi.s instruction.
1063
1064 Thu Oct 31 19:13:55 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1065
1066         * interp.c (sim_fetch_register, sim_store_register): Fix bug where
1067         updating the accumulators was overwriting other parts of the global
1068         State variable.
1069
1070 Wed Oct 30 17:35:14 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1071
1072         * interp.c (bfd.h) Don't include it here any more.
1073         (text{,_start,_end}): Move here from simops.c and make extern.
1074         (decode_pc): New function to return the PC as an address that the
1075         debugger can use.
1076         (dmem_addr): Print decoded PC in error message.
1077         (pc_addr): Ditto.
1078
1079         * simops.c (bfd.h) Don't include it here any more.
1080         (text{,_start,_end}): Move to simops.c.
1081         (trace_input_func): Move decoding of PC, and looking up .text
1082         start to decode_pc.
1083
1084         * d10v_sim.h (bfd.h): Include it here.
1085         (text{,_start,_end}): Add external declarations.
1086         (exec_bfd): Ditto.
1087         (decode_pc): Ditto.
1088
1089 Tue Oct 29 12:13:52 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1090
1091         * interp.c (sim_size): Now allocates unified memory for imap segments
1092         0,1,2, and 127. Initializes imap0 and imap1 to 0x1000.  Initializes dmap to 0.
1093         (sim_write): Just call xfer_mem().
1094         (sim_read): Just call xfer_mem().
1095         (xfer_mem): New function. Does appropriate memory mapping and copies bytes.
1096         (dmem_addr): New function. Reads dmap register and translates data
1097         addresses to local addresses.
1098         (pc_addr): New function. Reads imap register and computes local address
1099         corresponding to contents of the PC.
1100         (sim_resume): Change to use pc_addr().
1101         (sim_create_inferior): Change reinitialization code. Also reinitializes
1102         imap[01] and dmap.
1103         (sim_fetch_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
1104         (sim_store_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
1105
1106         * simops.c (MEMPTR): Redefine to use dmem_addr().
1107         (OP_5F00): Replace references to STate.imem with dmem_addr().
1108
1109         * d10v-sim.h (State): Remove mem_min and mem_max. Add umem[128].
1110         (RB,SW,RW,SLW,RLW): Redefine to use dmem_addr().
1111         (IMAP0,IMAP1,DMAP,SET_IMAP,SET_IMAP1,SET_DMAP): Define.
1112
1113 Tue Oct 22 15:22:33 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1114
1115         * d10v_sim.h (_ins_type): Reorganize, so that we can provide
1116         better statistics, like not counting NOPS as parallel
1117         instructions, and printing total cycles.
1118         (ins_type_counters): Make unsigned long.
1119         (left_nops,right_nops): Fold into ins_type_counters.
1120
1121         * simops.c (trace_input_func): Print new instruction types.
1122         Handle OP_R2R3 as input types.
1123         (OP_{38000000,7000}): Correctly sign extend bytes.
1124         (OP_5E00): Don't count NOPs as parallel instructions.
1125         (OP_460B): Remove unused variable.
1126         (OP_5F00): Ditto.
1127
1128         * interp.c (ins_type_counters): Make unsigned long.
1129         (left_nops,right_nops): Delete.
1130         (most functions): Add prototypes.
1131         (INLINE): If GCC and optimize define as __inline__.
1132         ({,lookup_}hash,get_operands): Declare as INLINE.
1133         (do_parallel): Count conditional operations.
1134         (add_commas): New function, to add commas every 3 digits.
1135         (sim_size): Call add_commas to print numbers.
1136         (sim_{open,resume}): Delete unused variables.
1137         (sim_info): Provide better statistics.
1138         (sim_read): Add int return type.
1139
1140 Mon Oct 21 16:16:26 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1141
1142         * interp.c (sim_resume): Change the way single-stepping and exceptions
1143         are handled so single-stepping works again.
1144
1145 Thu Oct 17 12:24:16 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1146
1147         * endian.c: Optimize simulated loads/stores on x86, AIX, and big
1148         endian hosts.
1149
1150         * configure.in (--enable-sim-bswap): New switch to enable using
1151         the BSWAP instruction on x86's.
1152         * configure: Regenerate.
1153
1154         * Makefile.in ({SWAP,CONFIG}_CFLAGS): Add --enable-sim-bswap
1155         support.
1156
1157 Wed Oct 16 13:50:06 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1158
1159         * endian.c: New file.  Move endian functions here from interp.c.
1160         Optimize code, and make it work as either inline functions or as a
1161         separate file.
1162
1163         * interp.c: Move endian functions from here to endian.c.
1164
1165         * Makefile.in (INCLUDE): Add endian.c.
1166         (run,libsim.a): Add dependency on endian.o.
1167         (endian.o): Add dependency.
1168
1169         * d10v_sim.h (read/write support): Always go through the machine
1170         independent endian functions.  If compiling with GCC and
1171         optimizing, include endian.c so the endian functions are inlined.
1172
1173         * simops.c (OP_5F00): Correct tracing of accumulators.
1174
1175 Tue Oct 15 10:57:50 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1176
1177         * simops.c (OP_5F00): Add support for getpid, kill system calls.
1178
1179         * interp.c (do_{2_short,parallel}): If an exception is raised,
1180         don't execute the second instruction.
1181
1182 Sat Oct 12 22:17:43 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1183
1184         * simops.c (OP_{31000000,6601,6201,6200}): Store address in a
1185         temporary in case the register is overriden when loading.
1186         (OP_6200): Output type is OP_DREG for tracing.
1187
1188 Fri Oct  4 23:46:18 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1189
1190         * d10v_sim.h (struct _state): Add mem_{min,max} fields.
1191
1192         * interp.c (sim_size): Initialize mem_{min,max} fields.
1193         (sim_write): Update mem_{min,max} fields.
1194         (sim_resume): If PC is not in the minimum/maximum memory range,
1195         abort.
1196         (sim_create_inferior): Preserve mem_{min,max} fields.
1197
1198 Fri Sep 27 13:11:58 1996  Mark Alexander  <marka@cygnus.com>
1199
1200         * simops.c (OP_5F00): Add support for time() system call.
1201
1202 Wed Sep 25 16:31:41 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1203
1204         * simops.c (OP_{6E01,6A01,6E1F,6A00}): Print both words being
1205         stored if tracing.
1206         (OP_5F00,trace_{in,out}put_func): Add finer grain tracing for
1207         system calls.
1208
1209 Mon Sep 23 17:55:30 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1210
1211         * simops.c (op_types): Add OP_{CONSTANT8,R2,R3}.
1212         (trace_input_func): Add support for  OP_{CONSTANT8,R2,R3}.
1213         (OP_{4900,24800000,4800,4A00,4B00,4D00,4C00}): Add OP_R2 and OP_R3
1214         to call/subroutine returns to trace the first two arguments and
1215         the return value.  For small jumps, use CONSTANT8, not CONSTANT16.
1216
1217 Fri Sep 20 15:36:45 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1218
1219         * interp.c (sim_create_inferior): Reinitialize State every time
1220         sim_create_inferior() is called.
1221
1222 Thu Sep 19 21:38:20 1996  Michael Meissner  <meissner@wogglebug.ziplink.net>
1223
1224         * simops.c (OP_{401,2000000,601,3000000,23000000}): Get sign right
1225         on comparisons.
1226         (OP_401): Fix tracing information.
1227
1228 Thu Sep 19 10:30:22 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1229
1230         * simops.c (SIZE_{PC,LINE_NUMBER}): New default sizes for output.
1231         (trace_input_func): Use them.
1232         (trace_input_func): Make sure there is a trailing space after the
1233         instruction.
1234         (OP_6200): Fix tracing info.
1235
1236         * Makefile.in (run): Add dependencies on libbfd.a and
1237         libiberity.a.
1238
1239 Wed Sep 18 09:13:25 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1240
1241         * d10v_sim.h (DEBUG_INSTRUCTION): New debug value to include line
1242         numbers and function names in debug trace.
1243         (DEBUG): If not defined, set to DEBUG_TRACE, DEBUG_VALUES, and
1244         DEBUG_LINE_NUMBER.
1245         (SIG_D10V_{STOP,EXIT}): Values to represent the stop instruction
1246         and exit system call trap being executed.
1247
1248         * interp.c (sim_stop_reason): Set exit code correctly for stop
1249         instruction and exit system call trap.
1250
1251         * configure.in (--enable-sim-cflags): Remove trace case.
1252         (--enable-sim-debug): New switch to set the debug values.
1253         * configure: Regenerate.
1254
1255         * simops.c (trace_{input,output}_func): Rename from
1256         trace_{input,output}.
1257         (trace_{input,output}): Call trace_{input,output}_func if
1258         d10v_debug is non-zero.
1259         (SIZE_INSTRUCTION): Cut down to 8.
1260         (SIZE_OPERANDS): Cut down to 18.
1261         (SIZE_LOCATION): New value for size of line number, function name
1262         field.
1263         (init_text_p,text{,_start,_end}): New static variables for
1264         printing line number and function name.
1265         (exec_bfd): New external that run.c sets.
1266         (trace_input_func): Print line number and function name if
1267         available and if desired.
1268         (OP_4E09): Don't print out DBT message.
1269         (OP_5FE0): Set exception field to SIG_D10V_STOP.
1270         (OP_5F00): Set exception field to SIG_D10V_EXIT.
1271
1272 Sat Sep 14 22:18:43 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1273
1274         * interp.c (do_2_short): If the instruction encodes jump->ins,
1275         don't do the second instruction if the jump succeeds.
1276
1277 Fri Sep 13 22:35:19 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1278
1279         * simops.c (OP_5F00): Use unknown traps to print all GPRs,
1280         accumulators, PC, and F0/F1/C flags.
1281
1282 Thu Sep 12 12:50:11 1996  Mark Alexander  <marka@cygnus.com>
1283
1284         * simops.c (OP_5F00): Fix problems with system calls.
1285
1286 Thu Sep 12 12:19:28 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1287
1288         * simops.c (OP_5F00): Correct tracing information for trap.
1289
1290 Wed Sep 11 18:55:50 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1291
1292         * Makefile.in (CSEARCH): Correctly find opcodes directory.
1293
1294 Mon Sep  9 13:27:26 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1295
1296         * simops.c (trace_output): Properly align accumulator output.
1297         (OP_3{0,2,4}00): Properly parenthesize test expression.  Add error
1298         if shift count is too high.
1299         (OP_4E{00,02,04,20,22,40,42}): Make tests agree with book.
1300         (OP_4E09): Make cpfg properly trace the input flags.
1301         (op_types): Add OP_FLAG_OUTPUT.
1302         (trace_{input,output}): Support OP_FLAG_OUTPUT.
1303         (OP_31000000): This ld2w varient is a 16-bit memory reference, not
1304         an 8-bit memory reference instruction for tracing purposes.
1305         (OP_201): Addi needs to set the carry.
1306
1307 Fri Sep  6 17:56:17 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1308
1309         * simops.c (OP_2600, OP_2601): Changed min and max comparisons
1310         to use signed register values.
1311
1312 Wed Sep  4 11:35:17 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1313
1314         * d10v_sim.h (DEBUG_*): Add bit flags for controlling debug
1315         output.
1316         (_ins_type): New enumeration to specify which container an
1317         instruction is in, and whether it is part of a parallel operation.
1318         (_state): Add ins_type field.
1319         ({,u}int{8,16,32,64}): Use limits.h to size the appropriate types.
1320         (ins_type_counters): Counters for the various instruction types.
1321         ({left,right}_nops): Counters for the number of nops in each
1322         container.
1323         (d10v_debug): New variable to indicate whether debugging is turned
1324         on.
1325
1326         * simops.c: (all functions): Change all #ifdef DEBUG code so that
1327         the input and output values can be traced, along with the
1328         instruction type.  Make the -t option enable tracing.
1329         (all functions): Change printf calls to use the printf_filtered
1330         function in the callback table.
1331
1332         * interp.c (_leftright): New enumeration to say whether 2 short
1333         instructions are done left first or right first.
1334         (do_{long,2_short,parallel}): Indicate in the machine state which
1335         type of instruction this is.  Count each of the types of
1336         instructions executed.
1337         (sim_size): Only print the memory sizes if DEBUG_MEMSIZE debug
1338         flag is set.
1339         (sim_resume): Pass left/right indication to do_2_short.
1340         (all functions): Change printf calls to use the printf_filtered
1341         function in the callback table.
1342         (sim_trace): Turn on debug flag if DEBUG was defined, and call
1343         sim_resume.
1344         (sim_info): Print out statistics on instructions.
1345         (sim_{trace,create_inferior}): Eliminate extraneous output unless
1346         debugging.
1347         (sim_open): If args == -t and DEBUG was defined, set d10v_debug.
1348         Only initialize the hash table the first time sim_open is called.
1349
1350         * Makefile.in: Make objects depend on d10v_sim.h.
1351         ({,SIM_}CFLAGS): Include configure dependent switches.  Setting
1352         CFLAGS does not override host/target defines or SIM_CFLAGS.
1353         (CC_FOR_BUILD,gencode): Use CC_FOR_BUILD to compile gencode.
1354         (run): By default, the math library is not needed to be linked
1355         in.
1356         ({BFD,LIBIBERTY}_LIB): Define as variables so they can be
1357         overridden.
1358         (VPATH): Don't set to anything but @srcdir@ to work with non-GNU
1359         makes.
1360         ({run,callback}.o): Provide explicit paths to their appropriate
1361         source directories.
1362         (gencode{,.o},d10v-opc.o): Split compilation into creating object
1363         and linking.  Instead of linking in libopcodes.a, just compile
1364         d10v-opc.o directly to handle canadian cross.
1365         (CSEARCH): Add opcodes directory.
1366
1367         * configure.in (--enable-sim-cflags): New switch to allow user to
1368         set the defaults.
1369         (CC_FOR_BUILD): Deal with canadian crosses.
1370         * configure: Regenerate.
1371
1372 Wed Sep 04 04:45:34 1996  Mark Alexander  <marka@cygnus.com>
1373
1374         * simops.c: Include correct syscall.h for d10v, not host's.
1375         Fix #ifdef SYS_stat.
1376
1377 Tue Sep  3 14:00:04 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1378
1379         * simops.c (OP_5F00): Wrap all SYS_xxx traps with #ifdef.
1380         Add trap 2 to be printf and trap 3 to be putchar.
1381
1382 Wed Aug 28 21:42:34 1996  Mark Alexander  <marka@cygnus.com>
1383
1384         * Makefile.in, d10v_sim.h, interp.c, simops.c: Add support
1385         for low-level system calls.
1386
1387 Wed Aug 28 17:33:19 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1388
1389         * Makefile.in, d10v_sim.h, interp.c: Fix byte-order problems.
1390
1391 Mon Aug 26 18:30:28 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1392
1393         * d10v_sim.h (SEXT32): Added.
1394         * interp.c: Commented out printfs.
1395         * simops.c:  Fixed error in sb and st2w.
1396
1397 Thu Aug 15 13:30:03 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1398
1399         * Makefile.in, d10v_sim.h, interp.c, simops.c: Added remaining
1400         DSP instructions.  Added modulo addressing.
1401
1402 Sun Aug 11 12:57:15 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1403
1404         * Makefile.in, d10v_sim.h, interp.c, simops.c: Snapshot.
1405
1406 Fri Aug  2 17:44:24 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1407
1408         * d10v_sim.h, simops.c: Snapshot.
1409
1410 Thu Aug  1 17:05:24 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1411
1412         * ChangeLog, Makefile.in, configure, configure.in, d10v_sim.h,
1413         gencode.c, interp.c, simops.c: Created.
1414